The Nikon D7500 has built-in virtual horizon tools that provide a more precise alternative to the old-fashioned bubble level method of making sure you're shooting level. Here's how to use the three different versions of it.

For the past few months I've been shooting a Vello BG-N7 battery grip on a Nikon D810. It retails for only a fraction of the cost of Nikon's own battery grip. Here's my hands-on review of the Vello grip.

If you've just bought yourself a Nikon D3400, or even if you've had one for a while and are looking to make use of more of its features, here's a quick rundown of what I think are the best books on using this camera.

Many cameras come with an AC battery charger. But charging from a USB power source can be far more convenient when you're traveling. The good news is that there are USB chargers out there for the batteries used in common camera models, even if you have to hunt a little to find them.